package com.caiyj.observe.push;

/**
 * @Description:
 * @author:CAIYJ
 * @Date:2018/12/14 20:20
 */
public class ConcreteObserver implements Observer {
    Subject subject;

    @Override
    public void hearTel(String str) {
        System.out.println("观察者接收到消息：" + str);
    }
}
